package com.servlet.manager;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.po.User;
import com.service.UserService;
import com.vo.PageBean;

public class showUserQuery extends HttpServlet {

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		String querytype = request.getParameter("querytype");
		int currPage = Integer.parseInt(request.getParameter("currPage"));
		String field = request.getParameter("field");
		String kw = request.getParameter("kw");
		int pageSize = 10;
		if (querytype.equals("queryalluser")) {
			PageBean<User> bean=null;
			try {
				bean = new UserService().showAllUserByPage(currPage,pageSize);
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			request.setAttribute("pb", bean);
			request.setAttribute("querytype", querytype);
			request.setAttribute("field", field);
			request.setAttribute("kw", kw);
		}else if (querytype.equals("likequery")) {
			PageBean<User> bean=null;
			try {
				bean = new UserService().showUserByPageAndConditionAndLike(field, kw, currPage, pageSize);
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			request.setAttribute("pb", bean);
			request.setAttribute("querytype", querytype);
			request.setAttribute("field", field);
			request.setAttribute("kw", kw);	
		}else {
			PageBean<User> bean=null;
			try {
				bean = new UserService().showUserByPageAndCondition(field, kw, currPage, pageSize);
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			request.setAttribute("pb", bean);
			request.setAttribute("querytype", querytype);
			request.setAttribute("field", field);
			request.setAttribute("kw", kw);	
		}
		request.getRequestDispatcher("/WEB-INF/manage/queryuser.jsp").forward(request, response);
	}

}
